package com.leyou.item.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.leyou.common.exception.LyException;
import com.leyou.item.dto.SpecParamDTO;
import com.leyou.item.entity.SpecParam;
import com.leyou.item.mapper.SpecParamMapper;
import com.leyou.item.service.SpecParamService;
import org.springframework.stereotype.Service;

import java.util.List;


@Service
public class SpecParamServiceImpl extends ServiceImpl<SpecParamMapper, SpecParam> implements SpecParamService {

    @Override
    public List<SpecParamDTO> querySpecParams(Long categoryId,
                                              Long groupId,
                                              Boolean searching) {
        // 健壮性判断
        if (categoryId == null && groupId == null) {
            // 条件不能都为空
            throw new LyException(400, "查询条件不能为空！");
        }
        return SpecParamDTO.convertEntityList(
                this.query()
                        .eq(categoryId != null
                                , "category_id", categoryId)
                        .eq(groupId != null
                                , "group_id", groupId)
                        .eq(searching != null
                                , "searching", searching)
                        .list()
        );
    }

    @Override
    public void addSpecParams(SpecParam specParam) {
        this.save(specParam);
    }

    @Override
    public void updateParam(SpecParam specParam) {
        this.updateById(specParam);
    }

    @Override
    public void deleteParamById(Long id) {
        this.removeById(id);
    }
}
